1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/raw/ifpga_rawdev/base/ifpga_hw.h b/drivers/raw/ifpga_rawdev/base/ifpga_hw.h
new file mode 100644
index 00000000..a20520c9
--- /dev/null
+++ b/drivers/raw/ifpga_rawdev/base/ifpga_hw.h
@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#ifndef _IFPGA_HW_H_
+#define _IFPGA_HW_H_
+
+#include "ifpga_defines.h"
+#include "opae_ifpga_hw_api.h"
+
+enum ifpga_feature_state {
+	IFPGA_FEATURE_UNUSED = 0,
+	IFPGA_FEATURE_ATTACHED,
+};
+
+struct feature_irq_ctx {
+	int eventfd;
+	int idx;
+};
+
+struct feature {
+	enum ifpga_feature_state state;
+	const char *name;
+	u64 id;
+	u8 *addr;
+	uint64_t phys_addr;
+	u32 size;
+	int revision;
+	u64 cap;
+	int vfio_dev_fd;
+	struct feature_irq_ctx *ctx;
+	unsigned int ctx_num;
+
+	void *parent;		/* to parent hw data structure */
+
+	struct feature_ops *ops;/* callback to this private feature */
+};
+
+struct feature_ops {
+	int (*init)(struct feature *feature);
+	void (*uinit)(struct feature *feature);
+	int (*get_prop)(struct feature *feature, struct feature_prop *prop);
+	int (*set_prop)(struct feature *feature, struct feature_prop *prop);
+	int (*set_irq)(struct feature *feature, void *irq_set);
+};
+
+enum ifpga_fme_state {
+	IFPGA_FME_UNUSED = 0,
+	IFPGA_FME_IMPLEMENTED,
+};
+
+struct ifpga_fme_hw {
+	enum ifpga_fme_state state;
+
+	struct feature sub_feature[FME_FEATURE_ID_MAX];
+	spinlock_t lock;	/* protect hardware access */
+
+	void *parent;		/* pointer to ifpga_hw */
+
+	/* provied by HEADER feature */
+	u32 port_num;
+	struct uuid bitstream_id;
+	u64 bitstream_md;
+	size_t pr_bandwidth;
+	u32 socket_id;
+	u32 fabric_version_id;
+	u32 cache_size;
+
+	u32 capability;
+};
+
+enum ifpga_port_state {
+	IFPGA_PORT_UNUSED = 0,
+	IFPGA_PORT_ATTACHED,
+	IFPGA_PORT_DETACHED,
+};
+
+struct ifpga_port_hw {
+	enum ifpga_port_state state;
+
+	struct feature sub_feature[PORT_FEATURE_ID_MAX];
+	spinlock_t lock;	/* protect access to hw */
+
+	void *parent;		/* pointer to ifpga_hw */
+
+	int port_id;		/* provied by HEADER feature */
+	struct uuid afu_id;	/* provied by User AFU feature */
+
+	unsigned int disable_count;
+
+	u32 capability;
+	u32 num_umsgs;	/* The number of allocated umsgs */
+	u32 num_uafu_irqs;	/* The number of uafu interrupts */
+	u8 *stp_addr;
+	u32 stp_size;
+};
+
+#define AFU_MAX_REGION 1
+
+struct ifpga_afu_info {
+	struct opae_reg_region region[AFU_MAX_REGION];
+	unsigned int num_regions;
+	unsigned int num_irqs;
+};
+
+struct ifpga_hw {
+	struct opae_adapter *adapter;
+	struct opae_adapter_data_pci *pci_data;
+
+	struct ifpga_fme_hw fme;
+	struct ifpga_port_hw port[MAX_FPGA_PORT_NUM];
+};
+
+static inline bool is_ifpga_hw_pf(struct ifpga_hw *hw)
+{
+	return hw->fme.state != IFPGA_FME_UNUSED;
+}
+
+static inline bool is_valid_port_id(struct ifpga_hw *hw, u32 port_id)
+{
+	if (port_id >= MAX_FPGA_PORT_NUM ||
+	    hw->port[port_id].state != IFPGA_PORT_ATTACHED)
+		return false;
+
+	return true;
+}
+#endif /* _IFPGA_HW_H_ */